Ubuntu 5.10 / 6.06 LTS / 6.10 : krb5 vulnerabilities (USN-449-1)

Ubuntu Security Notice (C) 2007-2016 Canonical, Inc. / NASL script (C) 2007-2016 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing one or more security-related
patches.

Description :

The krb5 telnet service did not appropriately verify user names. A
remote attacker could log in as the root user by requesting a
specially crafted user name. (CVE-2007-0956)

The krb5 syslog library did not correctly verify the size of log
messages. A remote attacker could send a specially crafted message and
execute arbitrary code with root privileges. (CVE-2007-0957)

The krb5 administration service was vulnerable to a double-free in the
GSS RPC library. A remote attacker could send a specially crafted
request and execute arbitrary code with root privileges.
(CVE-2007-1216).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 9.0
(CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 28046 ()

Bugtraq ID:

CVE ID: CVE-2007-0956
CVE-2007-0957
CVE-2007-1216

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